Gasmizer Manual - Submarine Manufacturing and Products Ltd
Gasmizer Manual - Submarine Manufacturing and Products Ltd
Gasmizer Manual - Submarine Manufacturing and Products Ltd
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March 2009<br />
CHAPTER 7<br />
VOLUME TANK<br />
CONTENTS<br />
Page<br />
General Description..................................................................................................................... 73<br />
Maintenance Schedule ................................................................................................................ 73<br />
List of Figures<br />
1 10 BOTTLE PACK PIPING SCHEMATIC............................................................................................... 74<br />
7.1 General Description<br />
7.1.1 The volume tank consists of ten 50 ltr. bottles mounted in a frame. The purpose of the<br />
Volume Tank is to provide a buffer between the booster package <strong>and</strong> the diver supply. A<br />
schematic drawing of the piping of the volume tank (P1805265S1) is included.The main<br />
components are as follows:<br />
(1) Ten 50 Ltr cylinders, of water volume 500 litres (17.6) cubic feet <strong>and</strong> working<br />
pressure 103 bar (1500 psi).(1)<br />
(2) Tube arrangement in each cylinder to enhance mixing within the tank.(24)<br />
(3) Fittings <strong>and</strong> reducers on the gas supply.<br />
(4) Ball valve to isolate volume tank from booster package <strong>and</strong> inter-connecting<br />
pipework.(9)<br />
(5) Pipe fittings.<br />
(6) 2 Shut off valves, to allow water dumping.(19)<br />
(7) Relief valve to protect vessel from over-pressure.(17)<br />
(8) Check valve to prevent reverse flow from the volume tank in normal operation.<br />
7.2 Maintenance Schedule<br />
150 hrs Next due__________hrs.<br />
Drain volume tank by cracking water dump valve 19.<br />
Chap 7 Page 73 of 168 OM002 Rev 5
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